Arai, Takeshi
Current rating: 1475
| Grand Prix Yokohama 2012 (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 84 | Koseki, Takuya (1481) | Lost 0-2 | -171436 |
| 2modern | 609 | Yamaguchi, Takao (1400) | Won 2-1 | +171453 |
| 3modern | 357 | U, Kashin (1429) | Won 2-1 | +181471 |
| 4modern | 426 | Satou, Fumihiko (1426) | Won 2-0 | +171488 |
| 5modern | 295 | Nagai, Mamoru (1587) | Won 2-1 | +201508 |
| 6modern | 114 | Fuchita, Shouhei (1535) | Lost 1-2 | -181490 |
| 7modern | 270 | Itamura, Hirohide (1492) | Won 2-1 | +181508 |
| 8modern | 143 | Kobayashi, Masanori (1607) | Lost 1-2 | -161492 |
| 9modern | 201 | Kakuta, Taisuke (1525) | Lost 1-2 | -171475 |
| top | average opponent: 1498record: 5-4 | new rating: 1475 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 188 | Aida, Yasuki (1500) | Won 2-0 | +191486 |
| 2standard | 84 | Nagai, Mamoru (1468) | Won 2-1 | +181504 |
| 3standard | 103 | Shiroza, Shinichiro (1640) | Lost 0-2 | -161488 |
| 4standard | 178 | Takahashi, Junya (1556) | Lost 0-2 | -171471 |
| 5standard | 265 | Makita, Yoshihiko (1501) | Won 2-1 | +191490 |
| 6standard | 187 | Adachi, Ryosuke (1431) | Won 2-1 | +171507 |
| 7standard | 176 | Iwasawa, Fumiya (1525) | Lost 0-2 | -181489 |
| 8standard | 159 | Yoshimura, Naoto (1501) | Lost 1-2 | -181471 |
| 9standard | 173 | Watanabe, Masaki (1474) | Lost 1-2 | -181453 |
| top | average opponent: 1511record: 4-5 | new rating: 1453 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 305 | Aoki, Hideto (1500) | Lost 1-2 | -181482 |
| 2extended | 325 | Goto, Kosuke (1667) | Lost 0-2 | -151467 |
| top | average opponent: 1583record: 0-2 | new rating: 1467 | ||